CN107033209A - It is a kind of at the same extract the method without the residual mogroside of agriculture and water-soluble dietary fiber - Google Patents

It is a kind of at the same extract the method without the residual mogroside of agriculture and water-soluble dietary fiber Download PDF

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CN107033209A
CN107033209A CN201710388435.1A CN201710388435A CN107033209A CN 107033209 A CN107033209 A CN 107033209A CN 201710388435 A CN201710388435 A CN 201710388435A CN 107033209 A CN107033209 A CN 107033209A
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water
agriculture
dietary fiber
soluble dietary
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CN107033209B (en
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李伟
龙伟岸
黄华学
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Hunan Huacheng Biotech Inc
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Abstract

It is a kind of at the same extract the method without the residual mogroside of agriculture and water-soluble dietary fiber, comprise the following steps:(1)Momordica grosvenori is cleaned, squeezed the juice, pomace elution obtains extract solution;(2)Boil, cool down, centrifugation obtains centrifugate;(3)By the aluminum oxide and activated carbon chromatography post of tandem, efflux is collected;(4)Ultrafiltration membrance filter, collects trapped fluid and permeate respectively;(5)Nanofiltration, concentration:By ultrafiltration permeate nanofiltration membrane, trapped fluid and permeate are collected respectively, and nanofiltration retentate fluid concentration is dried, obtains the residual mogroside of no agriculture;Nanofiltration permeate liquid is merged into concentration with ultra-filter retentate, dries, obtains the residual Momordica grosvenori water-soluble dietary fiber of no agriculture.Gained mogroside and the equal non agricultural chemical residuum of water-soluble dietary fiber product;Glycosides V content is up to 90.6%, and yield is up to 96.3%;The purity of water-soluble dietary fiber is up to 95%, and yield is up to 91%;The inventive method is simple, easy to operate, is adapted to industrialization production.

Description

It is a kind of at the same extract the method without the residual mogroside of agriculture and water-soluble dietary fiber
Technical field
The present invention relates to the production method of Fructus Monordicae extract, and in particular to one kind extracts nothing simultaneously from Momordica grosvenori fresh fruit The method of the residual mogroside of agriculture and water-soluble dietary fiber.
Background technology
Momordica grosvenori sugariness is high, and heat is low, with the health care such as raising immunity, protection liver, hypoglycemic, anticancer, anti-oxidant Function, therefore, health ministry, the State Administration of Traditional Chinese Medicines are included in first " being both food and the kind list of medicine ", Meanwhile, and originated as preferable natural sweetener.
At present, China's Fructus Monordicae extract industry development has begun to take shape, and is mainly to extract and separate sweet Momordica grosvenori Based on glycosides.However, the beneficiating ingredient in Momordica grosvenori is in addition to mogroside, also other important components, such as dietary fiber. The simple sweet tea glycosides using in Momordica grosvenori, and other compositions are treated as discarded object or wastewater treatment, it is current Fructus Monordicae extract row The customary practice of industry, not only causes serious pollution to environment, adds the cost of waste water control, while being also to Momordica grosvenori The huge waste of resource.Further, since indiscriminate use of pesticide, the reason, city such as coarse of the backwardness of production technology and process equipment Most of Fructus Monordicae extract on face is difficult to reach that low agriculture is residual, the even residual quality requirement without agriculture.
CN105273033A disclose it is a kind of from Momordica grosvenori extract mogroside method, be using Momordica grosvenori dry fruit as Raw material, by crushing, microwave radiation exaraction, ultrafiltration, nanofiltration, concentration, drying and other steps, obtains mogroside.But, due to This method is not handled targetedly the residues of pesticides in raw material, and product quality is unable to reach the residual organic standard of no agriculture, and Other compositions that this method can only obtain in mogroside, Momordica grosvenori are not used.
CN102742801A discloses Momordica grosvenori high dietary-fiber fruit powder and preparation method thereof, is by by mangosteen powder The steps such as broken, extraction, concentration, alcohol precipitation, alkali process, acid treatment, obtain Siraitia grosvenorii high dietary cellulose fruit powder.But, due to this Method largely uses organic solvent and soda acid, and pollution is big, and cost is high, and does not isolate in Momordica grosvenori most sieve of economic value Chinese fruit sweet tea glycosides, it is impossible to meet the requirement of industrialized production.
CN105124520A discloses the method for removing pesticide residue from Fructus Monordicae extract, is by sieve of powdery Chinese berry extract is dissolved in after water, passes through the post of granular activated carbon.But, this method removes residues of pesticides and activated carbon one kind is used only Approach, therefore, the effect for removing the residual species of agriculture and removal are all limited.In addition, this method is not related to sweet tea glycosides and dietary fiber Separation, and this method needs are using Fructus Monordicae extract finished product as raw material, it is with high costs, it is not suitable for industrialization.
CN104431841A discloses a kind of method for reducing carbendazim in Fructus Monordicae extract, is first to use activated-charcoal column Alkali and acid treatment, then the Fructus Monordicae extract aqueous solution is flowed through into activated-charcoal column, elute, nanofiltration, be concentrated in vacuo, spray drying is obtained It is less than 0.01mg/kg to carbendazim content, mogroside V content is higher than 40% extract.But, this method is only to Momordica grosvenori A kind of residues of pesticides of carbendazim in extract play the role of part removal, and the content of extract mogroside V is relatively low.This Outside, this method can only obtain the Fructus Monordicae extract containing Momordica grosvenori mogroside V, can not obtain Momordica grosvenori dietary fiber.
The content of the invention
The technical problems to be solved by the invention are that there is provided a kind of product yield, pure for the defect that overcomes prior art to exist Degree is high, residual without agriculture, and technical process is workable, and cost is low, no pollution, is suitable for the same from Momordica grosvenori of industrialized production When extract the method without the residual mogroside of agriculture and water-soluble dietary fiber.
The technical solution adopted for the present invention to solve the technical problems is as follows:It is a kind of to extract simultaneously without the residual mogroside of agriculture With the method for water-soluble dietary fiber, comprise the following steps:
(1)Squeeze the juice extraction:Momordica grosvenori fresh fruit is cleaned, squeezed the juice at room temperature, pomace uses water wash again, merges fruit juice and leacheate, Obtain extract solution;
(2)Boil:By step(1)Gained extract solution boils, and is cooled to room temperature, centrifugation, obtains centrifugate;
(3)Chromatography:By step(2)Gained centrifugate is collected by the alumina chromatographic column and activated carbon chromatography post of tandem Efflux;
(4)Ultrafiltration:By step(3)Gained efflux ultrafiltration membrance filter, collects ultra-filter retentate and ultrafiltration permeate respectively;
(5)Nanofiltration, concentration:By step(3)Gained ultrafiltration permeate nanofiltration membrane, collects nanofiltration retentate fluid and nanofiltration respectively Permeate, nanofiltration retentate fluid is concentrated under reduced pressure, and is dried, is obtained the residual mogroside of no agriculture;By gained nanofiltration permeate liquid and step(4) Gained ultra-filter retentate merges, and is concentrated under reduced pressure, and dries, obtains the residual Momordica grosvenori water-soluble dietary fiber of no agriculture.
Preferably, step(1)In, in the Momordica grosvenori fresh fruit, the mass content of momordica glycoside V is 0.3~0.8%, water The mass content of soluble dietary fiber is 5~10%.The water-soluble dietary fiber includes pectin, polydextrose of macromolecular etc., And FOS, oligoisomaltose, oligomeric lactose, the xylo-oligosaccharide of small molecule etc..
Preferably, step(1)In, the mode squeezed the juice is squeezed the juice for spiral squeezing type.Equipment used in squeezing the juice is spiral shell Extrusion juice extractor is revolved, the juice extractor juicing effect is high, and pomace easily elutes and drained;The clean purpose is to remove fresh fruit The most agriculture in surface is residual;The purpose that room temperature is squeezed the juice is the leaching of impurity when avoiding the high temperature from squeezing the juice.
Preferably, step(1)In, the consumption for the water of elution is 0.8~1.2 times of fresh fruit quality.
Preferably, step(2)In, the time boiled is 10~30min.The purpose boiled is to make the egg in extract solution White matter is denatured, condensed at high temperature, if the time boiled is too short, and protein has little time to be denatured and can not condense;If boiling Overlong time, then the water-soluble dietary fiber and mogroside in extract solution, which are easily charred, is even carbonized.
Preferably, step(2)In, the rotating speed of the centrifugation is 8000~30000r/min.The purpose of centrifugation be by from Solid-liquor separation if the rotating speed of centrifugation is excessively slow, is difficult to the purpose for reaching thorough separation of solid and liquid by mental and physical efforts;If the rotating speed mistake of centrifugation It hurry up, then easily cause the loss of equipment.
Preferably, step(3)In, the consumption of aluminum oxide is the 0.05 of Momordica grosvenori fresh fruit quality in the alumina chromatographic column ~1.00 times(More preferably 0.08~0.50 times, still more preferably 0.1~0.2 times).If the consumption of aluminum oxide is very few, impurity Absorption it is not thorough enough;If the consumption of aluminum oxide is excessive, the waste of material is easily caused.
Preferably, step(3)In, the particle diameter of the aluminum oxide is 100~300 mesh.The type of the aluminum oxide is acidity Aluminum oxide, neutral alumina or alkali alumina, the purpose of alumina column chromatography are to adsorb organic acid, the flavones in centrifugate The impurity components such as class, Polyphenols and fat-soluble residues of pesticides.
It is preferred that, step(3)In, the ratio of height to diameter of the alumina chromatographic column is 1~12:1(More preferably 5~10:1), on The flow velocity of post is 0.4~5.0BV/h(More preferably 0.5~2.0BV/h).If alumina chromatographic column ratio of height to diameter is too small or flow velocity mistake It hurry up, impurity will all be difficult to abundant absorption;If alumina chromatographic column ratio of height to diameter is excessive or flow velocity is too small, it will all extend the cycle of production And increase the cost of production.
Preferably, step(3)In, the consumption of activated carbon is the 0.05 of Momordica grosvenori fresh fruit quality in the activated carbon chromatography post ~2.00 times(More preferably 0.08~0.50 times, still more preferably 0.1~0.2 times).If the consumption of activated carbon is very few, impurity It will adsorb not thorough;If the consumption of activated carbon is excessive, the waste of material is easily caused.
Preferably, step(3)In, the particle diameter of the activated carbon is 10~500 mesh(More preferably 100~400 mesh).
Preferably, step(3)In, the activated carbon is wood activated charcoal or coal mass active carbon.The purpose of activated carbon chromatography It is the impurity components such as pigment and water soluble pesticide residual in adsorption and oxidation aluminium efflux.Because activated carbon is residual to fat-soluble agriculture several Without adsorption capacity, and the absorption residual to water-soluble agriculture is easily lost by the residual pollution of fat-soluble agriculture, therefore, it is necessary to will oxidation Aluminium chromatographic column is placed in before activated carbon chromatography post.
Preferably, step(3)In, the ratio of height to diameter of the activated carbon chromatography post is 1~10:1(More preferably 4~8:1), upper prop Flow velocity be 0.4~5.0BV/h(More preferably 0.5~2.0BV/h).If activated carbon chromatography post ratio of height to diameter is too small or flow velocity is too fast, Impurity will all be difficult to abundant absorption;If activated carbon chromatography post ratio of height to diameter is excessive or flow velocity is too small, will all it extend the cycle of production simultaneously Increase the cost of production.
Preferably, step(4)In, the molecular cut off of the milipore filter is 1~50,000 Da, the pressure of filtering for 0.1~ 1.2MPa(More preferably 0.5~1.0MPa).The purpose of ultrafiltration is to remove the molecular weight material bigger than mogroside, therefore, is surpassed It is pectin, polydextrose etc. to filter the main component in trapped fluid.If ultrafiltration retaining molecular weight is too small, mogroside is by part It is retained in ultra-filter retentate, the yield for causing mogroside is relatively low;If ultrafiltration retaining molecular weight is excessive, big point of part The impurity of son amount will can not be separated with mogroside molecule also cross milipore filter, and subsequent step, cause mogroside Purity it is relatively low.
Preferably, step(5)In, the molecular cut off of the NF membrane is 1000~5000Da(More preferably 2000~ 3000Da), the pressure of filtering is 0.2~2.0MPa(More preferably 1.0~1.5MPa).The purpose of nanofiltration is to remove molecular weight to compare sieve The small material of Chinese fruit sweet tea glycosides, therefore, main component in nanofiltration permeate liquid is FOS, oligoisomaltose, oligomeric lactose, Xylo-oligosaccharide etc..If nanofiltration retaining molecular weight is too small, the impurity of part small-molecular-weight will be unable to by NF membrane, same to Momordica grosvenori Sweet tea glycosides is partly retained in nanofiltration retentate fluid together, causes the purity of mogroside relatively low;If nanofiltration retaining molecular weight mistake Greatly, part mogroside also will be relatively low by the yield for causing mogroside by NF membrane.
Preferably, step(5)In, the vacuum being concentrated under reduced pressure is -0.06~-0.09MPa, and temperature is 65~80 DEG C, it is 20~50% to be concentrated into solid content(More preferably 25~40%).
Preferably, step(5)In, the drying is microwave drying, and the temperature of microwave drying is 60~80 DEG C, microwave drying Vacuum be -0.05~-0.09MPa, time of microwave drying is 1~4h.
In the inventive method is distilled water or pure water or step with water(5)Collected by being concentrated under reduced pressure Distilled water;Due to residual without agriculture in pure water or distilled water, the residual pollution of additional agriculture can be avoided.
The principle of the inventive method is:Momordica grosvenori squeeze the juice extract solution by alumina chromatographic column can remove organic acid, The impurity such as flavonoids, Polyphenols and fat-soluble residues of pesticides, activated carbon chromatography post can be except depigmentaton and water soluble pesticide residual Deng impurity, and mogroside therein and water-soluble dietary fiber composition can be divided by the screening of milipore filter and NF membrane From so as to obtain the residual mogroside of no agriculture and without the residual Momordica grosvenori water-soluble dietary fiber of agriculture.
The inventive method has the beneficial effect that:
(1)After testing, mogroside obtained by the inventive method and the equal non agricultural chemical residuum of Momordica grosvenori water-soluble dietary fiber, reach European Union's agriculture residual limit standard;Glycosides V content is up to 90.6% in mogroside, and the high income of momordica glycoside V is up to 96.3%; The product purity of Momordica grosvenori water-soluble dietary fiber is up to 95%, and high income is up to 91%;
(2)The inventive method is compared with existing Momordica grosvenori extracting method, and the inventive method is in extraction and separation process only with a small amount of Water is as solvent, without using any organic solvent, and by last concentration step, the distilled water of recovery can be with circulating repetition profit With whole production process sewage zero-discharge has been truly realized clean manufacturing, green, economical, safe and environment-friendly;The inventive method is set It is standby simple, easy to operate, it is adapted to industrialization production.
Embodiment
With reference to embodiment, the invention will be further described.
Momordica grosvenori fresh fruit used in the embodiment of the present invention is purchased from Guilin, and the mass content of momordica glycoside V is 0.5%, the mass content of water-soluble dietary fiber is 7.2%;The residual mass content of raw material agriculture is 0.20ppm, wherein, dimethomorph 0.05ppm, nitrile bacterium azoles 0.04ppm, epoxiconazole 0.02ppm, Wakil 0.03ppm, carbendazim 0.06ppm;In the inventive method Be the residual distilled water of no agriculture with water;Raw material used in the embodiment of the present invention or chemical reagent, unless otherwise specified, lead to Cross the acquisition of routine business approach.
In the embodiment of the present invention, using gas chromatograph-mass spectrometer (GC-MS)(GC-MS)Detect that agriculture is residual, using enzymatic gravimetric method-liquid Phase chromatography detects the content of Momordica grosvenori water-soluble dietary fiber, using high performance liquid chromatography(HPLC)External standard method detects Momordica grosvenori Sweet tea glycosides V content.
Embodiment 1
(1)Squeeze the juice extraction:500kg Momordica grosvenori fresh fruits are eluted with water, squeezed the juice at room temperature with spiral squeezing type juice extractor, pomace is again Water wash is distilled with 500kg, merges fruit juice and leacheate, obtains extract solution 750kg;
(2)Boil:By step(1)Gained extract solution boils 20min, is cooled to room temperature, under the conditions of rotating speed is 10000r/min Centrifugation, obtains centrifugate;
(3)Chromatography:By step(2)Gained centrifugate is chromatographed by the alkali alumina chromatographic column and wood activated charcoal of tandem Post, collects efflux;The mesh number of the alkali alumina is 100 mesh, and consumption is 50kg, and the ratio of height to diameter of alumina chromatographic column is 5: 1, the flow velocity of upper prop is 0.5BV/h;The mesh number of the wood activated charcoal is 100 mesh, and consumption is 60kg, the height of activated carbon chromatography post Footpath ratio is 5:1, the flow velocity of upper prop is 0.5BV/h;
(4)Ultrafiltration:By step(3)Gained efflux molecular cut off is 10,000 Da milipore filter, the mistake in the case where pressure is 0.6MPa Filter, collects ultra-filter retentate and ultrafiltration permeate respectively;
(5)Nanofiltration, concentration:By step(3)The NF membrane that gained ultrafiltration permeate is 3000Da with molecular cut off, be in pressure In vacuum it is -0.08MPa, 70 by nanofiltration retentate fluid 1.5MPa lower filtering, collects nanofiltration retentate fluid and nanofiltration permeate liquid respectively At DEG C, it is 25% to be concentrated under reduced pressure into solid content, and in the case where 68 DEG C, vacuum are -0.09MPa, microwave drying 2h obtains no agriculture residual Mogroside 2.62kg;By gained nanofiltration permeate liquid and step(4)Gained ultra-filter retentate merge, vacuum for- 0.08MPa, at 70 DEG C, it is 20% to be concentrated under reduced pressure into solid content, in the case where 68 DEG C, vacuum are -0.09MPa, microwave drying 2h, obtains the residual Momordica grosvenori water-soluble dietary fiber 34.1kg of no agriculture.
Detected through GC-MS, 400 remainder agricultures are residual in mogroside obtained by the present embodiment and Momordica grosvenori water-soluble dietary fiber Testing result meets the residual limit standard of European Union's agriculture;Detected through HPLC, glycosides V content is in mogroside obtained by the present embodiment 90.6%, the yield of momordica glycoside V is 95%;Through enzymatic gravimetric method-liquid chromatography detection, Momordica grosvenori obtained by the present embodiment is water-soluble Property dietary fiber purity be 95%, the yield of water-soluble dietary fiber is 90%.
Embodiment 2
(1)Squeeze the juice extraction:1500kg Momordica grosvenori fresh fruits are eluted with water, squeezed the juice at room temperature with spiral squeezing type juice extractor, pomace Water wash is distilled with 1350kg again, merges fruit juice and leacheate, obtains extract solution 2100kg;
(2)Boil:By step(1)Gained extract solution boils 30min, is cooled to room temperature, under the conditions of rotating speed is 20000r/min Centrifugation, obtains centrifugate;
(3)Chromatography:By step(2)Gained centrifugate is chromatographed by the neutral alumina chromatographic column and wood activated charcoal of tandem Post, collects efflux;The mesh number of the neutral alumina is 300 mesh, and consumption is 180kg, and the ratio of height to diameter of alumina chromatographic column is 10:1, the flow velocity of upper prop is 2BV/h;The mesh number of the wood activated charcoal is 200 mesh, and consumption is 150kg, activated carbon chromatography post Ratio of height to diameter is 8:1, the flow velocity of upper prop is 2BV/h;
(4)Ultrafiltration:By step(3)Gained efflux molecular cut off is 30,000 Da milipore filter, the mistake in the case where pressure is 0.5MPa Filter, collects ultra-filter retentate and ultrafiltration permeate respectively;
(5)Nanofiltration, concentration:By step(3)The NF membrane that gained ultrafiltration permeate is 2000Da with molecular cut off, be in pressure Filtered under 1MPa, nanofiltration retentate fluid and nanofiltration permeate liquid are collected respectively, in vacuum be -0.08MPa, 75 DEG C by nanofiltration retentate fluid Under, it is 25% to be concentrated under reduced pressure into solid content, and in the case where 70 DEG C, vacuum are -0.08MPa, microwave drying 1h obtains residual sieve of no agriculture Chinese fruit sweet tea glycosides 10.3kg;By gained nanofiltration permeate liquid and step(4)Gained ultra-filter retentate merge, vacuum for- 0.08MPa, at 75 DEG C, it is 25% to be concentrated under reduced pressure into solid content, in the case where 70 DEG C, vacuum are -0.08MPa, microwave drying 1h, obtains the residual Momordica grosvenori water-soluble dietary fiber 101.8kg of no agriculture.
Detected through GC-MS, 400 remainder agricultures are residual in mogroside obtained by the present embodiment and Momordica grosvenori water-soluble dietary fiber Testing result meets the residual limit standard of European Union's agriculture;Detected through HPLC, glycosides V content is in mogroside obtained by the present embodiment 70.1%, the yield of momordica glycoside V is 96.3%;Through enzymatic gravimetric method-liquid chromatography detection, Momordica grosvenori water obtained by the present embodiment The purity of soluble dietary fiber is 92.3%, and the yield of water-soluble dietary fiber is 87%.
Embodiment 3
(1)Squeeze the juice extraction:1000kg Momordica grosvenori fresh fruits are eluted with water, squeezed the juice at room temperature with spiral squeezing type juice extractor, pomace Water wash is distilled with 1100kg again, merges fruit juice and leacheate, obtains extract solution 1600kg;
(2)Boil:By step(1)Gained extract solution boils 15min, is cooled to room temperature, under the conditions of rotating speed is 30000r/min Centrifugation, obtains centrifugate;
(3)Chromatography:By step(2)Gained centrifugate is chromatographed by the alkali alumina chromatographic column and coal mass active carbon of tandem Post, collects efflux;The mesh number of the alkali alumina is 200 mesh, and consumption is 200kg, and the ratio of height to diameter of alumina chromatographic column is 5:1, the flow velocity of upper prop is 1BV/h;The mesh number of the coal mass active carbon is 400 mesh, and consumption is 150kg, activated carbon chromatography post Ratio of height to diameter is 6:1, the flow velocity of upper prop is 1BV/h;
(4)Ultrafiltration:By step(3)Gained efflux molecular cut off is 20,000 Da milipore filter, the mistake in the case where pressure is 1.0MPa Filter, collects ultra-filter retentate and ultrafiltration permeate respectively;
(5)Nanofiltration, concentration:By step(3)The NF membrane that gained ultrafiltration permeate is 2500Da with molecular cut off, be in pressure Filtered under 1.5MPa, nanofiltration retentate fluid and nanofiltration permeate liquid collected respectively, in vacuum be -0.075MPa by nanofiltration retentate fluid, At 75 DEG C, it is 35% to be concentrated under reduced pressure into solid content, and in the case where 80 DEG C, vacuum are -0.07MPa, microwave drying 3h obtains no agriculture Residual mogroside 6.2kg;By gained nanofiltration permeate liquid and step(4)Gained ultra-filter retentate merge, vacuum for- 0.075MPa, at 75 DEG C, it is 35% to be concentrated under reduced pressure into solid content, in the case where 80 DEG C, vacuum are -0.07MPa, microwave drying 3h, obtains the residual Momordica grosvenori water-soluble dietary fiber 71.6kg of no agriculture.
Detected through GC-MS, 400 remainder agricultures are residual in mogroside obtained by the present embodiment and Momordica grosvenori water-soluble dietary fiber Testing result meets the residual limit standard of European Union's agriculture;Detected through HPLC, glycosides V content is in mogroside obtained by the present embodiment 75.2%, the yield of momordica glycoside V is 93.2%;Through enzymatic gravimetric method-liquid chromatography detection, Momordica grosvenori water obtained by the present embodiment The purity of soluble dietary fiber is 91.5%, and the yield of water-soluble dietary fiber is 91%.

Claims (9)

1. it is a kind of while the method without the residual mogroside of agriculture and water-soluble dietary fiber of extraction, it is characterised in that including following Step:
(1)Squeeze the juice extraction:Momordica grosvenori fresh fruit is cleaned, squeezed the juice at room temperature, pomace uses water wash again, merges fruit juice and leacheate, Obtain extract solution;
(2)Boil:By step(1)Gained extract solution boils, and is cooled to room temperature, centrifugation, obtains centrifugate;
(3)Chromatography:By step(2)Gained centrifugate is collected by the alumina chromatographic column and activated carbon chromatography post of tandem Efflux;
(4)Ultrafiltration:By step(3)Gained efflux ultrafiltration membrance filter, collects ultra-filter retentate and ultrafiltration permeate respectively;
(5)Nanofiltration, concentration:By step(3)Gained ultrafiltration permeate nanofiltration membrane, collects nanofiltration retentate fluid and nanofiltration respectively Permeate, nanofiltration retentate fluid is concentrated under reduced pressure, and is dried, is obtained the residual mogroside of no agriculture;By gained nanofiltration permeate liquid and step(4) Gained ultra-filter retentate merges, and is concentrated under reduced pressure, and dries, obtains the residual Momordica grosvenori water-soluble dietary fiber of no agriculture.
2. extract the method without the residual mogroside of agriculture and water-soluble dietary fiber, its feature simultaneously according to claim 1 It is, step(1)In, the mode squeezed the juice is squeezed the juice for spiral squeezing type.
3. it is according to claim 1 or claim 2 while the method without the residual mogroside of agriculture and water-soluble dietary fiber of extraction, it is special Levy and be, step(1)In, the consumption for the water of elution is 0.8~1.2 times of fresh fruit quality.
4. extract the method without the residual mogroside of agriculture and water-soluble dietary fiber simultaneously according to one of claims 1 to 3, Characterized in that, step(2)In, the time boiled is 10~30min;The rotating speed of the centrifugation is 8000~30000r/ min。
5. extract the method without the residual mogroside of agriculture and water-soluble dietary fiber simultaneously according to one of Claims 1 to 4, Characterized in that, step(3)In, in the alumina chromatographic column consumption of aluminum oxide for Momordica grosvenori fresh fruit quality 0.05~ 1.00 again;The particle diameter of the aluminum oxide is 100~300 mesh;The ratio of height to diameter of the alumina chromatographic column is 1~12:1, upper prop Flow velocity is 0.4~5.0BV/h.
6. extract the method without the residual mogroside of agriculture and water-soluble dietary fiber simultaneously according to one of Claims 1 to 5, Characterized in that, step(3)In, in the activated carbon chromatography post consumption of activated carbon for Momordica grosvenori fresh fruit quality 0.05~ 2.00 again;The particle diameter of the activated carbon is 10~500 mesh;The activated carbon is wood activated charcoal or coal mass active carbon;The work Property charcoal chromatographic column ratio of height to diameter be 1~10:1, the flow velocity of upper prop is 0.4~5.0BV/h.
7. extract the method without the residual mogroside of agriculture and water-soluble dietary fiber simultaneously according to one of claim 1~6, Characterized in that, step(4)In, the molecular cut off of the milipore filter is 1~50,000 Da, the pressure of filtering for 0.1~ 1.2MPa。
8. extract the method without the residual mogroside of agriculture and water-soluble dietary fiber simultaneously according to one of claim 1~7, Characterized in that, step(5)In, the molecular cut off of the NF membrane is 1000~5000Da, the pressure of filtering for 0.2~ 2.0MPa。
9. extract the method without the residual mogroside of agriculture and water-soluble dietary fiber simultaneously according to one of claim 1~8, Characterized in that, step(5)In, the vacuum being concentrated under reduced pressure is -0.06~-0.09MPa, and temperature is 65~80 DEG C, dense It is 20~50% to be reduced to solid content;The drying is microwave drying, and the temperature of microwave drying is 60~80 DEG C, microwave drying it is true Reciprocal of duty cycle is -0.05~-0.09MPa, and the time of microwave drying is 1~4h.
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